Abstract
In order to reduce the peel/shear stresses concentration influence in the adhesive layer line, a smart adhesively bonded single-strap joint system was developed to decrease the maximum peel and shear stresses in the adhesive layer by the integrated piezoelectric reinforced composite layers as sensors/actuators. In present smart joint system, owing to the integrated piezoelectric reinforced composite layers, the mechanical loading induced deformation of adhesive joint system can be detected and monitored by the integrated sensing piezoelectric composite layers and then fed back to the integrated actuating piezoelectric composite layers to adaptively create the additional forces and moments to reduce the maximum peel and shear stresses in the adhesive layer. In order to theoretically verify the efficiency of present developed smart joint system, an electro-mechanical theoretical model was employed to investigate the smart adhesive joint system based on the first-order shear deformation theory. Further, the analytical solutions for the peel and shear stresses distribution were carried out by the state-space method. Finally, some numerical results were calculated to validate the integrity of the developed smart adhesive single-strap joint system.
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